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/**
* @file lllogchat.cpp
* @brief LLLogChat class implementation
*
* $LicenseInfo:firstyear=2002&license=viewergpl$
*
* Copyright (c) 2002-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lllogchat.h"
#include "llappviewer.h"
#include "llfloaterchat.h"
#include "lltrans.h"
#include "llviewercontrol.h"
#include "llsdserialize.h"
const S32 LOG_RECALL_SIZE = 2048;
//static
std::string LLLogChat::makeLogFileName(std::string filename)
{
filename = cleanFileName(filename);
filename = gDirUtilp->getExpandedFilename(LL_PATH_PER_ACCOUNT_CHAT_LOGS,filename);
filename += ".txt";
return filename;
}
std::string LLLogChat::cleanFileName(std::string filename)
{
std::string invalidChars = "\"\'\\/?*:<>|";
std::string::size_type position = filename.find_first_of(invalidChars);
while (position != filename.npos)
{
filename[position] = '_';
position = filename.find_first_of(invalidChars, position);
}
return filename;
}
std::string LLLogChat::timestamp(bool withdate)
{
time_t utc_time;
utc_time = time_corrected();
std::string timeStr;
LLSD substitution;
substitution["datetime"] = (S32) utc_time;
if (withdate)
{
timeStr = "["+LLTrans::getString ("TimeYear")+"]/["
+LLTrans::getString ("TimeMonth")+"]/["
+LLTrans::getString ("TimeDay")+"] ["
+LLTrans::getString ("TimeHour")+"]:["
+LLTrans::getString ("TimeMin")+"] ";
}
else
{
timeStr = "[" + LLTrans::getString("TimeHour") + "]:["
+ LLTrans::getString ("TimeMin")+"] ";
}
LLStringUtil::format (timeStr, substitution);
return timeStr;
}
//static
void LLLogChat::saveHistory(const std::string& filename,
const std::string& from,
const LLUUID& from_id,
const std::string& line)
{
if (!gSavedPerAccountSettings.getBOOL("LogInstantMessages"))
return;
if(!filename.size())
{
llinfos << "Filename is Empty!" << llendl;
return;
}
llofstream file (LLLogChat::makeLogFileName(filename), std::ios_base::app);
if (!file.is_open())
{
llinfos << "Couldn't open chat history log!" << llendl;
return;
}
LLSD item;
if (gSavedPerAccountSettings.getBOOL("LogTimestamp"))
item["time"] = LLLogChat::timestamp(gSavedPerAccountSettings.getBOOL("LogTimestampDate"));
item["from"] = from;
item["from_id"] = from_id;
item["message"] = line;
file << LLSDOStreamer <LLSDNotationFormatter>(item) << std::endl;
file.close();
}
void LLLogChat::loadHistory(const std::string& filename, void (*callback)(ELogLineType, const LLSD&, void*), void* userdata)
{
if(!filename.size())
{
llwarns << "Filename is Empty!" << llendl;
return ;
}
LLFILE* fptr = LLFile::fopen(makeLogFileName(filename), "r"); /*Flawfinder: ignore*/
if (!fptr)
{
callback(LOG_EMPTY, LLSD(), userdata);
return; //No previous conversation with this name.
}
else
{
char buffer[LOG_RECALL_SIZE]; /*Flawfinder: ignore*/
char *bptr;
S32 len;
bool firstline=TRUE;
if ( fseek(fptr, (LOG_RECALL_SIZE - 1) * -1 , SEEK_END) )
{ //File is smaller than recall size. Get it all.
firstline = FALSE;
if ( fseek(fptr, 0, SEEK_SET) )
{
fclose(fptr);
return;
}
}
// the parser's destructor is protected so we cannot create in the stack.
LLPointer<LLSDParser> parser = new LLSDNotationParser();
while ( fgets(buffer, LOG_RECALL_SIZE, fptr) && !feof(fptr) )
{
len = strlen(buffer) - 1; /*Flawfinder: ignore*/
for ( bptr = (buffer + len); (*bptr == '\n' || *bptr == '\r') && bptr>buffer; bptr--) *bptr='\0';
if (!firstline)
{
LLSD item;
std::string line(buffer);
std::istringstream iss(line);
if (parser->parse(iss, item, line.length()) == LLSDParser::PARSE_FAILURE)
{
item["message"] = line;
callback(LOG_LINE, item, userdata);
}
else
{
callback(LOG_LLSD, item, userdata);
}
}
else
{
firstline = FALSE;
}
}
callback(LOG_END, LLSD(), userdata);
fclose(fptr);
}
}
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